Compound engine.



An. mass. ranma Apr. 2, Ism. A. J. PEET.

COHPUUND ENGINE. (Appxicnt'ion med :une 27, 1900.)

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Patnted Apr. 2 |901.

A. J. FEET.

COMPUUND ENGINE. (Applaus mnu' '27 woo) (No Model.)

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Patented Apr. 2, |90I. A. J. PEET.

COMPUUND ENGINE. (Application led Imml 27, 1900.)

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No. 67|,386. Patented Apr. 2, |901.

, A. J. PEET.

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(Apphctxon led June 27 1900 i 4 Sheets-Sheet 4.

' (No Model.)

INVENTOR J @m JM /WA j a YJ /B An wlTNEssEs:

UNITED STATES` PATENT OFFICE.

ALEXANDER J. PEET, OF BROOKLYN, NEW YORK.

coMPouND ENGINE.

SPECFXCATON forming part of Letters Patent No. 671,386, dated April 2, 1901.

Application filed .Tune 27, 1900. i

I To a/ZZ whom t may concern.-

Be it known that I, ALEXANDER J. PEET, a citizen of the United States, and a resident of the borough of Brooklyn, in the county of Kings and State of New York, have invented certain new and useful Improvements in Multiple-Cylinder Compound Engines, of which .the following is a specification.

The object of this invention is the production of a multiple-cylinder engine of compact form, light weight, and novel construction operating without the use of a fly-wheel.

To these ends my invention consists of the combination of parts shown in the drawings, described in the speciication, and pointed out in the claims.

Figure 1 shows a partial top View of my invention. Fig. 2 represents a Vertical section taken on the line A'A of Fig. 1. Fig. 3 is a partial section taken on the line B' B' of Fig. 2. Fig. 4 shows a partial section 0n the line O' O of Fig. 3. Fig. 5 is a top view of the pyramidically-shaped lever and supportingbeam. Fig. 6 represents an elevation of the supporting-beam. Fig. 7 shows a top view of a cap for pyramidal joint with asection on aline, as D D of Fig. 17. Fig. 8 is a partial section through the cylinders on line A A of Fig. 1. Fig. 9 represents a section on line E E of Fig. 8. Fig. 10 shows a section of frame on line A A of Fig. 1. Fig. 11 is a top view of Fig. l0. Fig. 12 represents a section through reversing-gear on line A A of Fig. l. F F' of Fig. 12. Fig. 14 is a partial top view ot' Fig. 12. Fig. 15 represents a section on the line G' G of Fig. 1. Fig. 16 showsapartial section ou the line H H of Fig. 15. Figs. 17 and 18 represent an elevation and plan of a special connecting-rod. Figs. 19 and 2O show an elevation and plan of a connectingrod. Fig. 2l is a plan of foot. Fig. 22 shows a section on line I I of Fig. 21. Fig. 23 represents an elevation of bell-crank. Fig. 24 shows a plan of Fig. 23.

The engine constituting the subject-matter of this invention can be constructed with various combinations of cylinders and in this instance is shown to consist of the two highpressure cylinders H H and the two low-pressure cylinders L L, containing, respectively, the pistons h and Z. Connecting-rods G G2 Fig. 13 shows a section on the line` Serial No. 21.733. (No model.)

transmit motion from the pistons to a conically-shaped lever A, which is connected to the crank vl, extending from the bevel-Wheel I. The bevel-wheel I meshes with the bevelwheel J, which is secured on the main shaft The cylinders are capped by a steam-` M. reservoir R and are supported on the frame X. A casing Y extends from the frame and incloses all the workin g mechanism below the cylinders. Bolts F F tie the frame X and cylinders and also secure the footpiece F. and supports D.

On the horizontal shaft M are secured the eccentrics (see Figs. l, 2, l5, and 16) V U,

`the high-pressure cylinders) a forked lever 03, operating between the collars p on the valve-spindle p to actuate the low-pressure valves P P.

The centers of the two eccentrics are bolted together, as shown, or cast in one piece and extend over the main shaft M, constituting asleeve 1. (See Figs. 2, 12, 13, and 14.) This sleeve contains a slot 3, running diagonally across its face, and the shaft M contains a slot 2, running in the direction of its axis. On the sleeve l there is an outer sleeve 4, with teeth encircling the same, constituting a rack with which a gear 5 meshes. The outside sleeve 4 has attached to it a/pin 6, which slides in the slots 3 and 2 whep the gear-wheel 5 is turned. The said gear only\ ;\ontains teeth for half its circumference, so as to prevent the reversing-gear being moved th\r;ough a greater angle than necessary. When the said gear 5 is turned, the sleeve l is turned relatively to the shaft M, thus operatingl the reversing-gear.

Referring to Figs. 2, 3, 8, 9, 10, and 11, i will be seen that the connecting-bolts F F F F pass through bosses Z2 Z2 and no no. The frame X has a central vertical sleeve m, which constitutes a bearing and support for the IOO shaft N, which turns in the same and is held in position by the collar fn. The horizontal sleeve w3 constitutes a bearing for the horizontal shaft M, a stuffing-box m4 preventingn the escape of any steam or vapor.

1 Referring now v1to Figs. 2, 3, 4, 5, 6, and 7, the pyramidically-shaped lever A is shown swinging on the supporting-lever B, turning on its trunnions 20, and connected to the said supporting-lever B by means of the pin C, securing thereby motions at right angles toeach other and constituting a universal joint. At' the apex of A is secured the pin 11 for the crank c', extending from the bevel-wheel I. In the lower periphery of A are attached the boxes 13, with suitable brasses 14 and caps 16 for the lower ends g3. of the connectingrods G G2. Supporting-arms are cast with A, connecting the boxes 13 and forming the supports for the pin C. It will be evident that when the conically-shaped lever A is in the position shown in the drawings and a push is exerted on the boxes 13 by a connecting-rod of a high-pressure piston the pin 11 will turn the crank t' with the shaft N and bevel-wheel I, and after having made ninety degrees one of the low-pressure connectingrods will come in play, and thus continued by the other high and low piston-rods in like manner produces a uniform and easy motion for the bevel-wheel I, and consequently communicates the same to the main shaft M.

The bell-crank O (see Figs. 1, 2, 23, and 24) is shown to consist of the cylindrical barrel 27, with forks u2 and arm 25. The arm 25 swings on the spindle 26 to allow for the os-V cillations of the eccentric-rod u.

The connecting-rods G consist of a single central portion with the ball ends g3, and the body of the connecting-rod G2 consists of two portions g' g to enable them to straddle the sleeve m3 of the frame X.

The cylinder-head Z (see Figs. 1, 2, and 15) has cast therewith the steam -reservoir R. Steam enters through pipes S S and after passing the valves Q Q enters the high-pressure cylinders by means of the ports s' s', and upon the upstroke of said pistons enters the steam-receiver R, and from thence is led into the low-pressure cylinders through the ports 192102 by means of the valves P P and returning through said ports, always under control of the valves P P, exhausts through the pipes T T.

The casing Y is partially filled with oil for lubrication, the gage-glass Y being attached to indicate its level.

It will be evident that the bevel-gears I and .I could be dispensed with and a crank secured to the shaft N, actuated by the pin 11 of the conically-shaped lever A, thus constituting the shaft N the main driving-shaft of the engine.

It is evident that this novel device can be used for steam or any other vapor.

Having described my invention, I desire to secure by United States Letters Patent and claim-' 1. In an engine, multiple cylinders, pistons actuating in the' cylinders, a crank-shaft, a pyramidically-shapedlever swinging on a horizontal pin, a lever oscillating on tru nnions supporting said pin, connecting-rods connecting the pistonsand pyramidical lever, in combination with. a valve-gear actuated by the cran k-shaft,comprisingeccentrics,each eccentric moving two piston-valves secured toone valve-stem, operating over the ports of two cylinders, a steam-reservoir cast with the cylinder-head, spindles located in said reservoir actuated by links connected to the eccentricrods, forked levers secured to the spindles in the steam reservoir, collars on the valvestems, between which the forked levers operate to move the Valves substantially as described.

2. In an engine, multiple cylinders,a steamreservoir carried on thecylinders, pistons actuating in the cylinders, a pyramidicallyshaped lever swinging on a horizontal pin, a lever oscillating on trunnionssupportingsaid pin, connecting-rods connecting the pistons and pyramidical lever', a frame supporting the cylinders, supports for the oscillating lever, a footpiece holding the supports in place, bolts connecting the cylinders, frame, supports and footpiece, acasingsecu red to frame constituting an oil-reservoir for pyramidical lever and adjacent parts, a vertical crankshaft with bevel-wheel and crank, the crank connected to pyramidical lever, a horizontal shaft with bevel-wheel, said wheel meshing with bevel-wheel on vertical shaft, in combination with a valve-gear, comprising eccentrics, reversing -gear, piston valves, two of said valves secured to each valve-stem and operating on top of cylinders substantially as described.

3. An engine comprising cylinders L L, and H, H, pistons Z, l, h, actuating in said cylinders, connecting-rods G, G2, connecting said pistons with pyramidically-shaped lever A, a frame X supporting the cylinders, rods F, F, F, F clamping the cylinders and frame, a foot E and supports D secured to the rods F, F, F, F, a cylinder-head Z covering the cylinders, a steam-reservoir contained in said cylinder-head, high-pressu re valves Q, Q, and low-pressure valves P, P, actuating in said steam-reservoir, a reversing-gear consisting of eccentrics U, V with appurtenances, actuated by shaft M and operating the said valves.

Signed at New York, in the county of New York and State of New York, this 25th day of June, A. D. 1900.

ALEXANDER J. PEET. Witnesses:

AUGUST JOHNSTON, WM. P. FRANOL. 

